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Saturday, 31 October

JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 13 April 2023, Shift 1, Physics Q58

Question 58 of 90 in this shift, Physics question 28 of 30, Section B.

When a resistance of 5 Ω\Omega is shunted with a moving coil galvanometer, it shows a full scale deflection for a current of 250 mA, however when 1050 Ω\Omega resistance is connected with it in series, it gives full scale deflection for 25 volt. The resistance of galvanometer is ____________ Ω\Omega.

Official answer

50

NTA final key.

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.